Explicitly set SelectorEventLoop on 3.8, Windows (#13)

iojw · Jan 26, 2020 · 04fd646 · 04fd646
1 parent 637c7f1
commit 04fd646
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/socialscan/__main__.py b/socialscan/__main__.py
@@ -3,11 +3,21 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import asyncio
+import sys
 
 from socialscan import cli
 
 
 def main():
+    # To avoid 'Event loop is closed' RuntimeError due to compatibility issue with aiohttp
+    if sys.platform.startswith("win") and sys.version_info >= (3, 8):
+        try:
+            from asyncio import WindowsSelectorEventLoopPolicy
+        except ImportError:
+            pass
+        else:
+            if not isinstance(asyncio.get_event_loop_policy(), WindowsSelectorEventLoopPolicy):
+                asyncio.set_event_loop_policy(WindowsSelectorEventLoopPolicy())
     asyncio.run(cli.main())